2023 or the hottest year ever: a record high summer temperature in the Northern Hemisphere

2023-09-08

According to the Physicist Network on the 6th, the Copernicus Climate Change Service (C3S), the European Union's climate monitoring agency, stated that 2023 may be the hottest year in human history. This year, summer temperatures in the Northern Hemisphere reached a new high, with a global average temperature of 16.77 ℃ in June, July, and August, surpassing the record of 16.48 ℃ in 2019. Samantha Burgess, Deputy Director of C3S, stated that the past three months have been the hottest in 120000 years, and in fact, the hottest months in human history. In the past three months, heatwaves, droughts, and wildfires have hit Asia, Africa, Europe, and North America, with significant impacts on the economy, ecosystems, and human health. United Nations Secretary General Antonio Guterres stated that the climate collapse has begun and is imploding at a rate that people cannot cope with. The World Meteorological Organization has warned that more frequent and intense heat waves are generating an air pollution that can shorten human lifespan and damage other forms of life. The global sea surface temperature has reached a new high, which is one of the main culprits causing such a hot summer this year. Ocean heatwaves have hit the North Atlantic and Mediterranean. Scientists claim that since the beginning of the industrial era, the ocean has absorbed 90% of the excess heat generated by human activities. As greenhouse gases accumulate in the Earth's atmosphere, this excess heat will continue to accumulate. The ability of warming oceans to absorb carbon dioxide has also decreased, exacerbating the vicious cycle of global warming and damaging fragile ecosystems. C3S indicates that higher temperatures may be imminent as the El Ni ñ o weather phenomenon, which is warming waters in the South Pacific and other regions, has just begun. Scientists predict that the most severe impact of this El Ni ñ o phenomenon will occur by the end of 2023 and next year. C3S used computers to analyze billions of measurements from satellites, ships, airplanes, and weather stations around the world. Data such as tree rings and ice cores also enabled scientists to compare current temperatures with data before records were available in the mid-19th century, leading to the above conclusion. (New News Agency)

Edit:Hu Sen Ming    Responsible editor:Li Xi

Source:China.com.cn

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